The disk uses a standard DOS and some tracks and sectors are copyable but some others are not. A BLOAD or a BRUN command calls a routine that updates the third data marker depending on the filename.
E.LITE => index is 5, character is E, then data marker is BB
<br />
E.LA => index is 3, character is A, then data marker is B4
<br />
S.EC3 => index is 4, character is 3, then data marker is DA
<br />
</td> </tr></table><span class="postbody">
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<br />
<br />
<span style="font-weight: bold">DISK COPY</span>
<br />
There are several methods to copy the disk:
<br />
<span style="font-style: italic">1/ Use a bit-copier to get an image of the protected disk</span>
<br />
- Elite's disk is write protected, that will prevent you from making a hole on the disk
<br />
- Then edit T11/SF and rename the E.LITE file so that the DOS boot will jump to the prompt, allowing you to BLOAD the different files and copy them onto another disk.
<br />
<br />
<span style="font-style: italic">2/ Use DiskFixer</span>
<br />
- First of all, copy the disk with Locksmith. There will be read errors which are due to the change of marker
<br />
- Then launch DiskFixer, insert the original Elite disk on drive 1, the copy on drive 2
<br />
- Use the D command to display the directory and follow the different files described above
<br />
- Note that you will have to replace the third data marker with the Options menu
<br />
- Each sector read from the source drive must be copied to the second drive (option C)
<br />
<br />
<span style="font-style: italic">3/ The easiest way</span>
<br />
Just patch the data read routine of the RWTS:
<br />
- Launch Advanced Demuffin, go to the monitor
<br />
- B8FD: C9 AD D0 E7 => C9 AD D0 00
<br />
- CTRL-Y
<br />
- Copy the disk
<br />
<br />
<br />
<span style="font-weight: bold">COPY A NEW DOS 3.3</span>
<br />
I have decided to replace the old DOS of Elite with an official version from Apple (thanks to Deckard for providing me with the original master disk):
<br />
- Launch Advanced Demuffin or Locksmith
<br />
- Copy the first three tracks (T0/S0 to T2/S4) from the Master disk to your copy of Elite
<br />
- Launch Copy II Plus 5.x
<br />
- Change the boot program of your Elite disk, it must be the E.LITE file
<br />
<br />
That's it! A funny one, it could have been differently (so many ways) but that was fun using different tools instead of doing it the easiest way!
<br />
<br />
Toinet</span><span class="gensmall"></span></td>
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